Home / 422,869.23-583,586.10-231,882.62

Finding the Fourth Proportional to 422,869.23, 583,586.10 and 231,882.62

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Solution

The fourth proportional to 422,869.23, 583,586.10 and 231,882.62 is: 320,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,869.23 : 583,586.10 = 231,882.62 : x
  2. Step 2: Convert to fraction form
    422,869.23/583,586.10 = 231,882.62/x
  3. Step 3: Cross multiply
    422,869.23x = 583,586.10 × 231,882.62
  4. Step 4: Simplify right side
    422,869.23x = 135,323,470,945.65
  5. Step 5: Solve for x
    x = 135,323,470,945.65/422,869.23
  6. Step 6: Final answer
    x = 320,012.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.